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INI to XLSX converter

Convert INI to XLSX free in your browser. Paste your INI on the left, press Convert, and copy clean XLSX on the right. No sign-up, no uploads.

Converter

Paste INI below, press Convert, and copy the XLSX output.

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How INI becomes XLSX

The parser scans the INI line by line, tracking the current [section] header and turning every key = value line into a row with section, key and value columns. Comments and blank lines are skipped, quoted values are unwrapped, and scalars are auto-typed, giving a tidy three-column table that maps directly onto XLSX.

Tips for the spreadsheet output

Use the preview to sanity-check headers before downloading, especially after converting from INI, where column order follows first appearance. The .xlsx opens in Excel, Google Sheets and LibreOffice, so it is a handy handoff format when colleagues need to eyeball or edit the converted data.

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INI to XLSX FAQs

How are INI sections turned into rows?
Every key under a [section] becomes one row with three columns: section, key and value. Keys before the first section header get an empty section name. Comments starting with ; or # are ignored, and quoted values keep their inner text while numbers and true/false are typed automatically.
How do I get the .xlsx file?
Press Convert, check the preview in the output box, then press Download .xlsx. The workbook has one sheet named data with your headers in row 1. It opens in Excel, Google Sheets and LibreOffice with types preserved.
What happens to nested or repeated sections?
Repeated [section] headers are merged in order, so duplicate keys keep their last value, and each section/key pair becomes its own row. That flat section/key/value table maps cleanly onto XLSX without losing which section a value came from.
Is there a size limit for INI input?
No hard limit, but everything runs in your browser tab, so tens of thousands of rows convert in seconds while millions of rows may slow the page. For very large INI files, split them into smaller chunks and convert each separately.
Is my INI data private, and who uses this?
Yes. The conversion runs 100% in your browser with the SheetJS library loaded from CDN; nothing is uploaded to any server. Developers, analysts and DBAs use it to move INI data into XLSX for migrations, reports and config work without installing anything.
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